Cleaning robot



FIG. 1 is a top view of a cleaning robot showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a top, left and rear perspective view thereof. 

CLAIM The ornamental design for a cleaning robot, as shown and described. 